Need to expose blob metadata in GetAsync

[RPM1984]

Problem

This code hides away the internal CloudBlockBlob metadata.

Such information might be useful for consumers, for example Properties.ContentType.

This came up because we were trying to assert that .AddAsync was being called with the correct content type in a test. To assert that, we needed to verify the metadata in .GetAsync, but it's being hidden away.

Suggestion

Instead of returning T in GetAsync, return a class that has T, but also the other attributes, in case the consumer wants it.

e.g

public class BlobData<T>
{
   public T Model { get; set; }
   public BlobProperties Properties { get; set; }
}

The consumer might need other metadata in CloudBlockBlob, but maybe we start with this?

[PureKrome]

Ok - interesting.

🤔 Ok - so how about this question first: What is the common use case? I would have thought (based on experience of just 1 person -- me .. so that's a crap data statistic) that most of the time people don't care/use this info. most of the time.

If that's the case, then keep the current methods (which make it easy to consume). and possibly create a second method (as in .. with a unique name) that returns the more complex type?